[Valuable!] (Wide Angle) Asahi Pentax Takumar Lens 1:3.5/28

This is a wide-angle lens, the "ASAHI PENTAX Super-Multi-Coated TAKUMAR 1:3.5/28 (28mm F3.5)", commonly known as an old lens, from Asahi Pentax Takumar.

Includes filter (SKYLIGHT), lens cap (for 49mm), lens mount cap, and case.
The item is generally in the following condition:

(Lens)
Front lens: Rear lens: There appears to be no significant mold or clouding.
(Moving Parts)
No unusual movement or resistance.
(Appearance)
Multiple areas where the paint is chipped due to contact, etc.

(Filter)
No particular concerns.
(Case)
Old and showing signs of wear in places, but still suitable for storage and transport.

Please note that I have selected "Pentax K-mount" for the size, but this may be incorrect, so please disregard this information.

I am also listing this item on other sites, so please comment first before purchasing.